The purpose of the ____ tool is to verify that an entry matches a specific pattern.

A user may interact with an operating system via an application such as ________.

a) an API b) a command-line interpreter c) a graphical user interface (GUI) d) either b) or c)

PowerPoint provides a wide variety of predefined shapes that can add visual interest to a slide.

Answer the following statement true (T) or false (F)